<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
    <script src="./index.js"></script>
    <link rel="stylesheet" href="./main.css">
</head>
<body>
    <div class="">
        <div class="row">
            <input type="text" id="username" placeholder="请输入账号">
        </div>
        <div class="row">
            <input type="password" id="password" placeholder="请输入密码">
        </div>
        <button onclick="submitbylogin()">登录</button>
    </div>
</body>
</html>